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    SEC Form 6-K filed by SEALSQ Corp

    9/9/25 4:58:18 PM ET
    $LAES
    Semiconductors
    Technology
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    SEALSQ Corp

     


     

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    WASHINGTON, DC 20549

     


     

    FORM 6-K

     


     

    Report of Foreign Private Issuer

    Pursuant to Rule 13a-16 or 15d-16 under the

    Securities Exchange Act of 1934

     

    For the month of September 2025

     

    Commission File Number: 001-41709

     


     

     SEALSQ CORP

    (Exact Name of Registrant as Specified in Charter)

     


     

    N/A

    (Translation of Registrant’s name into English)

     


     

    British Virgin Islands

    Avenue Louis-Casaï 58

    1216 Cointrin, Switzerland  

    Not Applicable
         
    (State or other jurisdiction of incorporation or organization) (Address of principal executive office) (I.R.S. Employer Identification No.)

     


     

    Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

    ☒ Form 20-F         ☐ Form 40-F

     


     

     

     

     

    The information contained in Exhibit 99.2 to this Report on Form 6-K, except for Sections 1.1, 1.2, 2.2.3, 2.2.4, 2.3.1, and 2.4, is hereby incorporated by reference into the registration statement on Form F-3 of the Company (File No. 333-286098), as amended, and the registration statement on Form S-8 of the Company (File No. 333-287139), and into the base prospectus and any prospectus supplement outstanding under each of the foregoing registration statements, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934.

      

    The information contained in Exhibit 99.3 to this Report on Form 6-K is hereby incorporated by reference into the registration statement on Form F-3 of the Company (File No. 333-286098), as amended, and the registration statement on Form S-8 of the Company (File No. 333-287139), and into the base prospectus and any prospectus supplement outstanding under each of the foregoing registration statements, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934.

     

    Exhibit
    No.
      Description
         
         
    99.1   Press release issued on September 9, 2025.
         
    99.2   Half Year Report of SEALSQ Corp including Management’s Discussion and Analysis of Financial Condition and Results of Operations, issued on September 9, 2025.
         
    99.3   Condensed Consolidated Financial Statements of SEALSQ Corp as at June 30, 2025.

      

    2

     

     

    SIGNATURES

     

    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

     

    Date: September 9, 2025

    SEALSQ CORP
         
      By: /s/ Carlos Moreira
        Name: Carlos Moreira
        Title:   Chief Executive Officer
         
      By: /s/ John O’Hara
        Name: John O’Hara
        Title:   Chief Financial Officer

     

     

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